Hitachi Global Storage Technologies announced that it is now shipping qualification samples of its 4GB Microdrive to consumer product manufacturers worldwide. The 1-inch drive features a data transfer rate that represents a 70 percent increase from the previous-generation Microdrive. The new drive will also continue its tradition of offering a significantly lower cost-per-megabyte than competitive solid-state memory solutions. Hitachi's 4GB Microdrive is the world's smallest hard disk drive, weighing just over a half an ounce (16 grams) and equivalent in size to a matchbook. The miniaturized hard drive is designed for users who demand maximum capacity for storing large quantities of data.